| 摘要 |
A composite optical fiber element for telecommunication cables comprising an optical fiber with at least three metal filaments parallel thereto, spaced therefrom and disposed therearound in planes intersecting the fiber and at substantially equal angles to each other. The optical fiber and the filaments are surrounded by and embedded in a synthetic thermoplastic resin material. Filaments of the same diameter are equally spaced from the optical fiber. Individual elements, or groups of such elements in a sheath, may be helically wound around a supporting core to form a telecommunication cable.
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